Bath unit



FIG. 1 is an elevated top perspective view of a bath unit showing my new design, the broken lines shown being for purposes of showing the environment only, and form no part of the claimed design;

FIG. 2 is a top view thereof, the broken lines shown being for purposes of showing the environment only, and form no part of the claimed design;

FIG. 3 is a side view thereof;

FIG. 4 is an end view thereof, as seen from the left of FIG. 3;

FIG. 5 is an end view thereof, as seen from the right of FIG. 3;

FIG. 6 is a side view thereof; and,

FIG. 7 is a bottom view thereof, the broken lines shown being for purposes of showing the environment only, and form no part of the claimed design. 

The ornamental design for a bath unit, as shown and described. 